74395629 has 48 divisors (see below), whose sum is σ = 138338304. Its totient is φ = 37389600.

The previous prime is 74395613. The next prime is 74395631. The reversal of 74395629 is 92659347.

It is a happy number.

It is not a de Polignac number, because 74395629 - 2⁴ = 74395613 is a prime.

It is a super-2 number, since 2×74395629² = 11069419228611282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74395609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19752 + ... + 23214.

It is an arithmetic number, because the mean of its divisors is an integer number (2882048).

Almost surely, 2^74395629 is an apocalyptic number.

It is an amenable number.

74395629 is a deficient number, since it is larger than the sum of its proper divisors (63942675).

74395629 is a wasteful number, since it uses less digits than its factorization.

74395629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518 (or 3515 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 74395629 is about 8625.2900820784. The cubic root of 74395629 is about 420.5805068014.

The spelling of 74395629 in words is "seventy-four million, three hundred ninety-five thousand, six hundred twenty-nine".